Skip the auto shop - Our mechanics make house calls

Q: Car won't run over certain mileage

asked by on

My car won't run over 30 mph.

A: If there are any Check Engine lights or oth...

If there are any Check Engine lights or other dash lights on, the car might be stuck in limp home mode. This is a computer failsafe mode that disables certain features for passenger safety because it has detected a major fault. I would run a Check Engine Light inspection and have this car scanned for codes by a certified mobile mechanic.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: I have a charging proble and more but good engine and transmission

It sounds like you have a short in the electrical system. They can be hard to find, but I would first focus on the wires under the dash, where you saw the smoke. It is possible that the melted and...

Q: Warning lights for low pressure come on and stay on. asc/dsc lights inclusive

If tire pressures are set and consistent within 2 psi of one another per axle, and the system will not initialize, then this could be an indication of a faulty pressure sensor or an issue with the TPMS hardware. Some...

Q: loud squeeking noise when I back up and turn the wheels

Hello there. The symptoms you are describing are common with a damaged wheel bearing, CV joint that is loosing lubrication (due to a CV boot being split) or brake pad that is dragging on the rotor. There are several components...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...